270251381 has 2 divisors, whose sum is σ = 270251382. Its totient is φ = 270251380.

The previous prime is 270251351. The next prime is 270251407. The reversal of 270251381 is 183152072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185776900 + 84474481 = 13630^2 + 9191^2 .

It is a cyclic number.

It is not a de Polignac number, because 270251381 - 2¹⁴ = 270234997 is a prime.

It is a super-2 number, since 2×270251381² = 146071617864814322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270251351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135125690 + 135125691.

It is an arithmetic number, because the mean of its divisors is an integer number (135125691).

Almost surely, 2^270251381 is an apocalyptic number.

It is an amenable number.

270251381 is a deficient number, since it is larger than the sum of its proper divisors (1).

270251381 is an equidigital number, since it uses as much as digits as its factorization.

270251381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 270251381 is about 16439.3242257704. The cubic root of 270251381 is about 646.5309314373.

The spelling of 270251381 in words is "two hundred seventy million, two hundred fifty-one thousand, three hundred eighty-one".